.bannerW{
    position: relative;
    height: 375px;
    color: #fff;
    .banner{
        width: 690px;
        height: 345px;
        vertical-align:top ;
        position: absolute;
        left: 0;
        top: 0;
        margin-left: 30px;
    }
    .bannerTxt1{
        position: absolute;
        left: 50px;
        top: 195px;
        font-size: 40px;
        line-height: 60px;
        font-weight: bold;
       
    }
    .bannerTxt2{
        position: absolute;
        left: 50px;
        top: 272px;
        font-size: 28px;
        line-height: 20px;
    }
}